Serbia's populist President Aleksandar Vucic called on Friday for dialogue with anti-government protesters following more than nine months of demonstrations and recent riots in the Balkan country that have challenged his rule.

Thousands of anti-government protesters marched again in Serbia on Monday with baton-wielding riot police chasing them in downtown Belgrade, prompting Serbia's populist President Aleksandar Vucic to reiterate his pledge of a planned major crackdown against the demonstrators.